Παραπομπή APA

Clark, K. (1968). The drawing of the Leonardo Da Vinci in the collection of Her mejesty the queen at windor castle (2nd.). Phaidon.

Παραπομπή Chicago Style

Clark, Kenneth. The Drawing of the Leonardo Da Vinci in the Collection of Her Mejesty the Queen at Windor Castle. 2nd. New york: Phaidon, 1968.

Παραπομπή MLA

Clark, Kenneth. The Drawing of the Leonardo Da Vinci in the Collection of Her Mejesty the Queen at Windor Castle. 2nd. Phaidon, 1968.